Finding the Fourth Proportional to 2,957.56, 4,433.22 and 1,107.46

Step by Step Solution

1. Step 1: Write the proportion equation
   2,957.56 : 4,433.22 = 1,107.46 : x
2. Step 2: Convert to fraction form
   2,957.56/4,433.22 = 1,107.46/x
3. Step 3: Cross multiply
   2,957.56x = 4,433.22 × 1,107.46
4. Step 4: Simplify right side
   2,957.56x = 4,909,613.82
5. Step 5: Solve for x
   x = 4,909,613.82/2,957.56
6. Step 6: Final answer
   x = 1,660.02